Dating from about 1386, is one of the oldest working clocks in the world, and may be the oldest; it still has most of its original parts. The Wells Cathedral clock, built in 1392, is unique in that it still has its original medieval face.
Generally we speak of " dark ages " . However, Historians prefer the terms "late antiquity " or "high middle ages" ( it cover the periode from 476 A.D to circa 1000 AD